ul {
  list-style: none;
  padding-left: 0;
}

li.ref[ng-repeat] {
  background: lightgreen;
  padding: 8px;
  margin: 8px;
}

.ref[ng-if] {
  background: lightgrey;
  padding: 8px;
}

nfi-root {
  background: lightgoldenrodyellow;
  padding: 8px;
  display: block;
}

nfi-wrapper {
  background: lightsalmon;
  padding: 8px;
  display: block;
}

nfi-toggle {
  background: lightblue;
  padding: 8px;
  display: block;
}